81169408

素因数分解:

$2^{10}\times {\mathrm{31}}^1\times {\mathrm{2557}}^1$

素因数の和:2608

約数の個数: 44

約数和(自身を含む): 167559232

約数和(自身を除く): 86389824

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1024, 1984, 2557, 3968, 5114, 7936, 10228, 15872, 20456, 31744, 40912, 79267, 81824, 158534, 163648, 317068, 327296, 634136, 654592, 1268272, 1309184, 2536544, 2618368, 5073088, 10146176, 20292352, 40584704, 81169408]

約数ペア:

[(1, 81169408), (2, 40584704), (4, 20292352), (8, 10146176), (16, 5073088), (31, 2618368), (32, 2536544), (62, 1309184), (64, 1268272), (124, 654592), (128, 634136), (248, 327296), (256, 317068), (496, 163648), (512, 158534), (992, 81824), (1024, 79267), (1984, 40912), (2557, 31744), (3968, 20456), (5114, 15872), (7936, 10228)]